diff --git a/pkgs/applications/misc/cortex/default.nix b/pkgs/applications/misc/cortex/default.nix
deleted file mode 100644
index 42565ae7fa8c..000000000000
--- a/pkgs/applications/misc/cortex/default.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ stdenv, fetchgit, python3 }:
-
-stdenv.mkDerivation {
-  name = "cortex-2015-08-23";
-
-  src = fetchgit {
-    url = "https://github.com/gglucas/cortex";
-    rev = "ff10ff860479fe2f50590c0f8fcfc6dc34446639";
-    sha256 = "0pa2kkkcnmf56d5d5kknv0gfahddym75xripd4kgszaj6hsib3zg";
-  };
-
-  buildInputs = [ stdenv python3 ];
-
-  prePatch = ''
-    substituteInPlace cortex --replace "/usr/bin/env python3" "${python3}/bin/python3"
-  '';
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp cortex $out/bin/
-    chmod +x $out/bin/cortex
-  '';
-
-  meta = with stdenv.lib; {
-    homepage = "http://cortex.glacicle.org";
-    description = "An ncurses reddit browser and monitor";
-    license = licenses.mit;
-    maintainers = with maintainers; [ matthiasbeyer ];
-    platforms = with platforms; unix;
-  };
-
-}
diff --git a/pkgs/applications/misc/haxor-news/default.nix b/pkgs/applications/misc/haxor-news/default.nix
index e925885f05f2..d2acbbfea5b6 100644
--- a/pkgs/applications/misc/haxor-news/default.nix
+++ b/pkgs/applications/misc/haxor-news/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, pythonPackages }:
 
 pythonPackages.buildPythonApplication rec {
-  version = "0.4.1";
+  version = "0.4.2";
   name = "haxor-news-${version}";
 
   src = fetchurl {
     url = "https://github.com/donnemartin/haxor-news/archive/${version}.tar.gz";
-    sha256 = "0d3an7by33hjl8zg48y7ig6r258ghgbdkpp1psa9jr6n2nk2w9mr";
+    sha256 = "0543k5ys044f2a1q8k36djnnq2h2dffnwbkva9snjjy30nlwwdgs";
   };
 
   propagatedBuildInputs = with pythonPackages; [
@@ -14,7 +14,7 @@ pythonPackages.buildPythonApplication rec {
     colorama
     requests2
     pygments
-    prompt_toolkit_52
+    prompt_toolkit
     six
   ];
 
diff --git a/pkgs/applications/misc/khal/default.nix b/pkgs/applications/misc/khal/default.nix
index 8d7eeffad310..98dbb0cbf911 100644
--- a/pkgs/applications/misc/khal/default.nix
+++ b/pkgs/applications/misc/khal/default.nix
@@ -3,12 +3,12 @@
 with python3Packages;
 
 buildPythonApplication rec {
-  version = "0.9.2";
+  version = "0.9.5";
   name = "khal-${version}";
 
   src = fetchurl {
     url = "mirror://pypi/k/khal/khal-${version}.tar.gz";
-    sha256 = "1ryh5c7408w8gpql5s9mkxkvz1ngnds3xm43p7r96ynx8prr9swp";
+    sha256 = "0fvv0kjym9q8v20zbpr5m8ig65b8hva4p0c935qsdvgdni68jidr";
   };
 
   LC_ALL = "en_US.UTF-8";
diff --git a/pkgs/applications/misc/mwic/default.nix b/pkgs/applications/misc/mwic/default.nix
index 7b9b04c66c8d..2faf082197c8 100644
--- a/pkgs/applications/misc/mwic/default.nix
+++ b/pkgs/applications/misc/mwic/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, pythonPackages }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.2";
+  version = "0.7.3";
   name = "mwic-${version}";
 
   src = fetchurl {
     url = "https://github.com/jwilk/mwic/releases/download/${version}/${name}.tar.gz";
-    sha256 = "1linpagf0i0ggicq02fcvz4rpx7xdpy80ys49wx7fnmz7f3jc6jy";
+    sha256 = "0baa2pnaba954k169p9rpzc66mhz9zqdd3lz9q95rp9dgygvchzn";
   };
 
   makeFlags=["PREFIX=\${out}"];
diff --git a/pkgs/applications/misc/sc-im/default.nix b/pkgs/applications/misc/sc-im/default.nix
index 6d9e1c9fcf23..19fc62d12380 100644
--- a/pkgs/applications/misc/sc-im/default.nix
+++ b/pkgs/applications/misc/sc-im/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchFromGitHub, yacc, ncurses, libxml2, libzip, libxls, pkgconfig }:
 
 stdenv.mkDerivation rec {
-  version = "0.5.0";
+  version = "0.6.0";
   name = "sc-im-${version}";
 
   src = fetchFromGitHub {
     owner = "andmarti1424";
     repo = "sc-im";
     rev = "v${version}";
-    sha256 = "1vdn9p9srvdksxznrn65pfigwrd7brlq8bac3pjfqsvf8gjnzq61";
+    sha256 = "02ak3b0vv72mv38cwvy7qp0y6hgrzcgahkv1apgks3drpnz5w1sj";
   };
 
   buildInputs = [ yacc ncurses libxml2 libzip libxls pkgconfig ];
diff --git a/pkgs/applications/office/beancount/bean-add.nix b/pkgs/applications/office/beancount/bean-add.nix
index 7535b6abf3c7..667c159838a0 100644
--- a/pkgs/applications/office/beancount/bean-add.nix
+++ b/pkgs/applications/office/beancount/bean-add.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchFromGitHub, python3Packages }:
 
 stdenv.mkDerivation rec {
-  name = "bean-add-2017-01-20";
+  name = "bean-add-2017-04-06";
 
   src = fetchFromGitHub {
     owner = "simon-v";
     repo = "bean-add";
-    rev = "752674259fb9512e076ef2048927fb791ad21507";
-    sha256 = "1ja26dgl2j25873s5nav57pjaqb9rr3mdbmkawajz2gdkk9r7n61";
+    rev = "67c3cd345dc370f8cd967a31549c1d0b86b07024";
+    sha256 = "0902lvwmf7k1h6gn3ilwzk20pxphbxsa3rn68jfhhfqpr6xpqf93";
   };
 
   propagatedBuildInputs = with python3Packages; [ python ];
diff --git a/pkgs/tools/misc/vdirsyncer/default.nix b/pkgs/tools/misc/vdirsyncer/default.nix
index a5abc8bef831..d1fa9d5bea6d 100644
--- a/pkgs/tools/misc/vdirsyncer/default.nix
+++ b/pkgs/tools/misc/vdirsyncer/default.nix
@@ -6,12 +6,12 @@ let
   pythonPackages = python3Packages;
 in
 pythonPackages.buildPythonApplication rec {
-  version = "0.14.1";
+  version = "0.15.0";
   name = "vdirsyncer-${version}";
 
   src = fetchurl {
     url = "mirror://pypi/v/vdirsyncer/${name}.tar.gz";
-    sha256 = "044f01fjd8dpz4y9dm3qcc1a8cihcxxbr1sz6y6fkvglpb6k85y5";
+    sha256 = "08aa5yxcj7ziz2r0hz4p554q8hgpfl2bh8r6r85f4g24mg6arxsj";
   };
 
   propagatedBuildInputs = with pythonPackages; [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 19fe699d33be..666f6a454316 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13198,8 +13198,6 @@ with pkgs;
     inherit (gnome2) libgnomeui GConf;
   };
 
-  cortex = callPackage ../applications/misc/cortex { };
-
   csound = callPackage ../applications/audio/csound { };
 
   cinepaint = callPackage ../applications/graphics/cinepaint {